5. Adrian Gardner, CIO, NASA Goddard
Gardner was formerly CIO for the National Weather Service and before that served in senior IT positions with the Department of Energy. At Goddard, he has led initiatives in cloud computing, high-performance computing and government transparency. One of his highest-profile projects was the deployment of cloud computing in a portable container.
6. Brett Goldstein, CIO, City of Chicago
Before being appointed CIO by Chicago Mayor Rahm Emanuel in June 2012, Goldstein was the city's chief data officer. Before that he headed the Chicago Police Department's predictive analytics group. Now, he's applying that know-how more broadly. Chicago is investing in predictive analytics with a long-term goal of addressing serious issues such as the murder rate and emergency response.
7. Terry Halvorsen, CIO, U.S. Navy
The no-nonsense Halvorsen has pushed hard to manage through fiscal belt tightening with mandatory cuts, enterprise licensing and improved IT governance. He's leaving no stone unturned. In a bid to lower the costs of using printers, copiers, fax machines and scanners, Halverson instructed Navy personnel to print in black and white whenever possible.
8. Karen Robinson, CIO, State of Texas
As executive director for the Texas Department of Information Resources, CIO Robinson manages the state's IT and communications planning, procurement, service delivery, data center services, IT security and state website, Texas.gov.
9. Grant Schneider, CIO, Defense Intelligence Agency
Schneider's work at the DIA includes development of new information-sharing systems, client virtualization and adoption of cloud computing. The DIA runs the military and intelligence communities' top secret intranet. Schneider was previously chief of the agency's enterprise IT operations group, where he helped to centralize military intelligence IT efforts.
10. Malcolm Jackson, CIO, Environmental Protection Agency
Jackson came to the EPA in 2010 from the private sector, where he worked for Cigna Group Insurance as senior IT business unit leader and in other roles. At the EPA, he's responsible for IT planning, investment, security, information quality and collection, and access to environmental information including the Toxics Release Inventory.
11. Joe Klimavicz, CIO, National Oceanic and Atmospheric Administration
Klimavicz has been an early adopter of cloud computing and, owing to his agency's scientific mission, of big-data platforms and processes. The NOAA has migrated 25,000 employees to Google Apps and made the switch from BlackBerry devices to iPhones. It's a heavy user of supercomputers for its climate research and forecasting.
12. Lt. Gen. Susan Lawrence, CIO, U.S. Army
As CIO of the Army since 2011, Gen. Lawrence oversees command, control, communications and computers, the so-called C4 functions. She also bears the designation G-6, a reference to her role as advisor on networks, communications and signal operations to the Army chief of staff.
13. Sasi Pillay, CTO for IT, NASA
In addition to leading NASA's mobility strategy and big-data efforts, Pillay works to find new technologies to integrate into NASA's broader IT infrastructure. He previously was CIO of NASA's John H. Glenn Research Center in Cleveland. Pillay's academic credentials are impressive: he has a degree in mechanical engineering from Penn State University, a master's degree and Ph.D. in computer engineering from Case Western Reserve University, and a master's degree in tech management from MIT's Sloan School of Management.